Home / 10,544.07-15,805.13-4,990.82

Finding the Fourth Proportional to 10,544.07, 15,805.13 and 4,990.82

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Solution

The fourth proportional to 10,544.07, 15,805.13 and 4,990.82 is: 7,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.07 : 15,805.13 = 4,990.82 : x
  2. Step 2: Convert to fraction form
    10,544.07/15,805.13 = 4,990.82/x
  3. Step 3: Cross multiply
    10,544.07x = 15,805.13 × 4,990.82
  4. Step 4: Simplify right side
    10,544.07x = 78,880,454.93
  5. Step 5: Solve for x
    x = 78,880,454.93/10,544.07
  6. Step 6: Final answer
    x = 7,481.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.